Colorado State University Outstanding Plants
Scientific Name: Ageratum houstonianum
Common Name: FlossFlower
Blooming Season: Early Spring, Spring, Late Spring, Summer
Plant Habit: Spreading
Characteristics: Attracts Butterflies, Low Maintenance
Water: Medium
Fertilize: Once a month
Spacing: 8 - 12" (20 - 30cm)
Height: 6 - 12" (15 - 30cm)
Width: 8 - 16" (20 - 41cm)
Exposure: Partial Sun, Sun
General Information: A one-of-a-kind spreading ageratum that monarch butterflies can’t resist. It has a full, spreading look that’s ideal for use in baskets and mixes. Great for landscapes and patios.
A one-of-a-kind spreading ageratum that monarch butterflies can’t resist! Vigorous, spreading habit is ideal for use in baskets and mixes. Drought tolerant plants are great for landscapes and patios.
2025 Cincinnati Zoo and Botanical Gardens Field Trials standout performer: “A great bloomer and attracts monarchs by the droves!”
Greenhouse Grower: “It’s not just a catchy name. When we would walk through the garden, we’d see 50 butterflies hanging around it.”
Protection Information: EU PBRAF; PP36,798
(Flowering Only License)